Astronauts in a spaceship moving with a constant velocity vo

Last updated: 6/9/2023

Astronauts in a spaceship moving with a constant velocity vo observe a massive planet at a great distance also moving with velocity vo at an angle of 120 with the direction of motion of the spaceship The astronauts have to reverse the direction of motion of their spaceship Determine how much maximum speed in reverse direction the spaceship can acquire without expenditure of fuel with the help of gravitational field of the planet us 200